Pith Number

pith:KDY7FQWS

pith:2018:KDY7FQWSCZL4TJI2E4UYKFU73S

not attested not anchored not stored refs pending

Highly parallelisable simulations of time-dependent viscoplastic fluid flow simulations with structured adaptive mesh refinement

Ann Almgren, Knut Sverdrup, Nikolaos Nikiforakis

arxiv:1803.00417 v5 · 2018-03-01 · physics.flu-dyn · physics.comp-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KDY7FQWSCZL4TJI2E4UYKFU73S}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:41:18.144708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50f1f2c2d21657c9a51a272985169fdcb2c5e81791b2fe7cc676511663a105cf

Aliases

arxiv: 1803.00417 · arxiv_version: 1803.00417v5 · doi: 10.48550/arxiv.1803.00417 · pith_short_12: KDY7FQWSCZL4 · pith_short_16: KDY7FQWSCZL4TJI2 · pith_short_8: KDY7FQWS

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/KDY7FQWSCZL4TJI2E4UYKFU73S \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 50f1f2c2d21657c9a51a272985169fdcb2c5e81791b2fe7cc676511663a105cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e165810067dacf0f964272ec4ae50c56f729613288a0ea4478658993f4dfe04a",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-03-01T15:00:37Z",
    "title_canon_sha256": "15531ce85ca202a90edea42fe0ae656203746f4995dba426ed3f90ac64b15891"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00417",
    "kind": "arxiv",
    "version": 5
  }
}